2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef __VOM_INTERFACE_IP6_ND_H__
17 #define __VOM_INTERFACE_IP6_ND_H__
19 #include "vom/dump_cmd.hpp"
21 #include "vom/inspect.hpp"
22 #include "vom/interface.hpp"
23 #include "vom/object_base.hpp"
25 #include "vom/ra_config.hpp"
26 #include "vom/ra_prefix.hpp"
27 #include "vom/rpc_cmd.hpp"
28 #include "vom/singular_db.hpp"
29 #include "vom/sub_interface.hpp"
31 #include <vapi/ip.api.vapi.hpp>
35 * A representation of L3 configuration on an interface
37 template <typename CLASS, typename CMD>
38 class interface_ip6_nd : public object_base
41 typedef CLASS class_t;
43 * Construct a new object matching the desried state
45 interface_ip6_nd(const interface& itf, const class_t cls)
46 : m_itf(itf.singular())
55 interface_ip6_nd(const interface_ip6_nd& o)
58 , m_config(o.m_config)
68 m_db.release(m_itf->key(), this);
72 * Return the 'singular instance' of the interface ip6nd that matches
75 std::shared_ptr<interface_ip6_nd> singular() const
77 return find_or_add(*this);
81 * convert to string format for debug purposes
83 std::string to_string() const
86 s << "interface-ip6-nd:["
87 << " itf:" << m_itf->to_string() << " " << m_cls.to_string() << " "
88 << m_config.to_string() << "]";
94 * Dump all config into the stream provided
96 static void dump(std::ostream& os) { m_db.dump(os); }
99 * The key type for interface ip6 nd
101 typedef interface::key_type key_t;
104 * Find an singular instance in the DB for the interface passed
106 static std::shared_ptr<interface_ip6_nd> find(const interface& i)
109 * Loop throught the entire map looking for matching interface.
110 * not the most efficient algorithm, but it will do for now. The
111 * number of ra configs is low.
113 std::deque<std::shared_ptr<interface_ip6_nd>> rac;
115 auto it = m_db.cbegin();
117 while (it != m_db.cend()) {
119 * The key in the DB is a pair of the interface's name.
120 * If the keys match, save the ra-config
122 auto key = it->first;
124 if (i.key() == key.first) {
125 rac.push_back(it->second.lock());
135 * A functor class that binds the ra config to the interface
137 class config_cmd : public rpc_cmd<HW::item<bool>, rc_t, CMD>
143 config_cmd(HW::item<bool>& item, const handle_t& itf, const class_t& cls)
144 : rpc_cmd<HW::item<bool>, rc_t, CMD>(item)
151 * Issue the command to VPP/HW
153 rc_t issue(connection& con);
156 * convert to string format for debug purposes
158 std::string to_string() const
160 std::ostringstream s;
161 s << "interface-ip6-nd: " << this->item().to_string()
162 << " itf:" << m_itf.to_string() << " " << m_cls.to_string();
168 * Comparison operator - only used for UT
170 bool operator==(const config_cmd& other) const
172 return ((m_itf == other.m_itf) && (m_cls == other.m_cls));
177 * Reference to the interface to bind to
179 const handle_t& m_itf;
182 * Reference to the config class
184 const class_t& m_cls;
188 * A cmd class that Unbinds L3 Config from an interface
190 class unconfig_cmd : public rpc_cmd<HW::item<bool>, rc_t, CMD>
196 unconfig_cmd(HW::item<bool>& item, const handle_t& itf, const class_t& cls)
197 : rpc_cmd<HW::item<bool>, rc_t, CMD>(item)
204 * Issue the command to VPP/HW
206 rc_t issue(connection& con);
209 * convert to string format for debug purposes
211 std::string to_string() const
213 std::ostringstream s;
214 s << "interface-ip6-nd: " << this->item().to_string()
215 << " itf:" << m_itf.to_string() << " " << m_cls.to_string();
221 * Comparison operator - only used for UT
223 bool operator==(const unconfig_cmd& other) const
225 return ((m_itf == other.m_itf) && (m_cls == other.m_cls));
230 * Reference to the interface to unbind fomr
232 const handle_t& m_itf;
235 * Reference to the config class to undo configurations
237 const class_t& m_cls;
242 * Class definition for listeners to OM events
244 class event_handler : public OM::listener, public inspect::command_handler
249 OM::register_listener(this);
250 inspect::register_handler({ "ip6_nd " }, "interface ip6 nd", this);
253 virtual ~event_handler() = default;
256 * Handle a populate event
258 void handle_populate(const client_db::key_t& key)
261 * VPP provides no dump for ra config
266 * Handle a replay event
268 void handle_replay() { m_db.replay(); }
271 * Show the object in the Singular DB
273 void show(std::ostream& os) { m_db.dump(os); }
276 * Get the sortable Id of the listener
278 dependency_t order() const { return (dependency_t::BINDING); }
282 * event_handler to register with OM
284 static event_handler m_evh;
287 * Enqueue commands to the VPP for the update
289 void update(const interface_ip6_nd& obj)
292 HW::enqueue(new config_cmd(m_config, m_itf->handle(), m_cls));
299 HW::enqueue(new unconfig_cmd(m_config, m_itf->handle(), m_cls));
305 * Replay the objects state to HW
310 HW::enqueue(new config_cmd(m_config, m_itf->handle(), m_cls));
315 * Find or add the singular instance in the DB
317 static std::shared_ptr<interface_ip6_nd> find_or_add(
318 const interface_ip6_nd& temp)
320 return (m_db.find_or_add(temp.m_itf->key(), temp));
324 * It's the VPPHW class that updates the objects in HW
329 * It's the singular_db class that calls replay()
331 friend class singular_db<key_t, interface_ip6_nd>;
333 const std::shared_ptr<interface> m_itf;
340 * HW configuration for the binding. The bool representing the
343 HW::item<bool> m_config;
346 * A map of all interface ip6 nd keyed against a combination of the
347 * interface and subnet's keys.
349 static singular_db<key_t, interface_ip6_nd> m_db;
353 * Typedef the ip6nd_ra_config
355 typedef interface_ip6_nd<ra_config, vapi::Sw_interface_ip6nd_ra_config>
359 * Typedef the ip6nd_ra_prefix
361 typedef interface_ip6_nd<ra_prefix, vapi::Sw_interface_ip6nd_ra_prefix>
365 * Definition of the static singular_db for ACL Lists
367 template <typename CLASS, typename CMD>
368 singular_db<typename interface_ip6_nd<CLASS, CMD>::key_t,
369 interface_ip6_nd<CLASS, CMD>>
370 interface_ip6_nd<CLASS, CMD>::m_db;
372 template <typename CLASS, typename CMD>
373 typename interface_ip6_nd<CLASS, CMD>::event_handler
374 interface_ip6_nd<CLASS, CMD>::m_evh;
378 * fd.io coding-style-patch-verification: ON
381 * eval: (c-set-style "mozilla")